You can also play this M3U playlist in MPV or other players or use wget -r -l 2 -nc -nd -A '*webm' https://media.emacsconf.org/2021/ to download all the video files. (Thanks to ggoes for the command!)

  1. Opening remarks
  2. Emacs News Highlights
    Sacha Chua
    1. 00:00 Introduction
    2. 00:11 Upcoming Emacs 28 release
    3. 00:24 Org mode 9.5
    4. 00:57 Magit major release
    5. 01:18 Completion
    6. 01:51 Embark
    7. 02:12 tree-sitter
    8. 02:44 Collaborative editing
    9. 03:03 Graphical experiments
    10. 03:41 Community
    11. 04:00 libera.chat
  3. The True Frownies are the Friends We Made Along the Way: An Anecdote of Emacs's Malleability
    Case Duckworth
    1. 00:00 Introduction
    2. 01:01 Before the beginning, the Beginning
    3. 02:07 Oops
    4. 02:56 Yada yada yada
    5. 04:52 During all this time...
    6. 06:51 Pandemic
    7. 07:29 Anyway
    8. 08:50 A growing obsession
    9. 09:38 What is the point of all of this? I thought we were talking about frowing.
    10. 10:32 Conversation
    11. 11:14 Later...
    12. 11:33 frowny.el
  4. Emacs manuals translation and OmegaT
    Jean-Christophe Helary
  5. GNU's Not UNIX: Why Emacs Demonstrates The UNIX Philosophy Isn't Always The Only Answer
    Daniel Rose
    1. 00:00 Introduction
    2. 00:31 UNIX Philosophy?
    3. 00:57 Enter Emacs
    4. 01:25 Emacs versus the original ideas
    5. 01:50 Why compare to UNIX?
    6. 02:17 Emacs /does/ work with the UNIX philosophy
    7. 02:59 Philosophies don't really matter in computing
    8. 03:15 Android Studio
    9. 04:14 Window Managers
    10. 04:42 Browsers
    11. 05:09 Vim
    12. 05:34 Terminals
    13. 06:12 Do what helps you most, not what a philosophy tells you
  6. Emacs and Montessori Philosophy
    Grant Shangreaux
    1. 00:04 Introduction
    2. 00:20 Respect
    3. 00:35 The Prepared Environment
    4. 01:19 Human tendencies
    5. 01:56 Orientation
    6. 03:30 Order
    7. 04:26 Exploration
    8. 05:12 Communication
    9. 05:46 Activity
    10. 06:21 Manipulation
    11. 06:48 Work (or Purposeful Activity)
    12. 07:09 Repetition
    13. 07:38 Exactness
    14. 08:16 Abstraction
    15. 09:02 Perfection
  7. Emacs as Design Pattern Learning
    Greta Goetz
    1. 00:00 Introduction
    2. 01:16 Definition of design patterns and relation to Emacs
    3. 05:18 Why this approach matters
    4. 09:12 Managing complexity: Emacs as mind map
    5. 11:30 Emacs as design pattern framework
    6. 12:31 Personal customization
    7. 13:30 Implementing Emacs as a model for learning
    8. 16:41 Emacs as accommodating complex social, community assemblages
  8. How Emacs made me appreciate software freedom
    Protesilaos Stavrou
    1. 00:00 About me and this talk
    2. 04:44 The inherent Emacs qualities for an autodidact
    3. 09:17 The interconnectedness of the Emacs space
    4. 14:07 The documentation culture of the Emacs community
    5. 18:55 The Promethean Ideal of freeing know-how and expertise
    6. 23:59 The 'killer apps' of Emacs
    7. 28:53 You can't be an Emacs tourist
    8. 33:39 Emacs as a champion of software freedom
  9. NonGNU ELPA Update
    Philip Kaludercic
  10. Manual Package Management in The Era of Repositories - Why and How
    Dhavan (codingquark)
  11. Introducing N-Angulator
    Kevin Haddock
  12. Typesetting Gregorian Chant with Emacs
    Spencer King
    1. 00:00 Title
    2. 00:10 Roadmap
    3. 00:46 Gregorio
    4. 01:46 Metadata
    5. 02:08 `gregorian-mode`
    6. 02:48 Examples
    7. 06:49 Useful links
  13. telega.el and the Emacs community on Telegram
    Gabriele Bozzola
  14. A day in the life of a janitor
    Stefan Monnier
  15. Emacs Research Group, Season Zero: What we did together with Emacs in 2 hours a week for a year
    Noorah Alhasan, Joe Corneli, Raymond Puzio, Leo Vivier
    1. 00:00 Introduction
    2. 01:46 Background and technology: Emacs Research Group
    3. 02:53 Prerecorded demo
    4. 05:13 Organising metaphor
    5. 05:35 Timetable
    6. 06:00 Project Action Review
    7. 06:32 Causal Layered Analysis
    8. 07:02 Design Patterns and Next Steps
    9. 07:42 Projects
    10. 07:53 Patterns of Patterns (PLoP 2021)
    11. 08:24 PLACARD Workshop roles
    12. 08:57 Initial user studies
    13. 09:38 Broader context
    14. 10:08 Conclusion
  16. One effective CS grad student workflow
    Greg Coladonato
    1. 00:00 Self-intro and context of the talk
    2. 00:27 Goals of the workflow
    3. 00:43 Requirements of the workflow
    4. 01:34 Package dependencies
    5. 01:42 Demo: Class notes PDFs
    6. 03:24 Pulling down arXiv papers
    7. 08:12 Small customizations
    8. 08:59 TODO
  17. Using Org-Mode For Recording Continuous Professional Development
    Philip Beadling
  18. Creating technical API documentation and presentations using org-babel, restclient, and org-treeslide
    Jan Ypma
  19. Org as an executable format
    Tom Gillespie
  20. The use of Org mode syntax outside of GNU/Emacs
    Karl Voit
  21. Using Org-mode to teach programming
    Daniel German
  22. Babel for academics
    Asilata Bapat
  23. Managing a research workflow (bibliographies, note-taking, and arXiv)
    Ahmed Khaled
    1. 00:00 Introduction
    2. 00:51 Elfeed
    3. 02:30 org-ref
    4. 03:50 BibLaTeX
    5. 05:48 Notes and org-roam
  24. Reproducible molecular graphics with Org-mode
    Blaine Mooers
  25. Finding Your (In)voice: Emacs for Invoicing
    Bala Ramadurai
  26. Budgeting, Project Monitoring and Invoicing with Org Mode
    Adolfo Villafiorita
    1. 00:01 Introduction
    2. 00:10 How we build and budget project proposals
    3. 01:42 Org mode template with embedded Emacs Lisp
    4. 02:58 The project plan
    5. 03:37 Effort
    6. 04:40 Hourly rates
    7. 06:07 Totals
    8. 07:28 Payment structure
    9. 08:21 Export
    10. 09:08 Advantages
  27. Productivity Dashboards with Emacs and Kindle
    Mehmet Tekman
  28. Emacs with Nyxt: extend your editor with the power of a Lisp browser
    Andrea
  29. Emacs development updates
    John Wiegley
    1. 00:00 Introduction
    2. 00:18 Emacs 28
    3. 00:33 Native compilation
    4. 02:36 Build with Cairo by default
    5. 02:55 New mode, but off by default: context-menus
    6. 03:22 Tab-bar and tab-line received many enhancements
    7. 03:37 A command can marked as specific to a mode
    8. 04:20 Transient input methods
    9. 05:00 show-paren-mode is enabled by default
    10. 05:14 We now have a Non-GNU ELPA
    11. 05:39 repeat-mode
    12. 06:18 project.el has dozens of new commands
    13. 06:26 Shorthands for Lisp symbols
    14. 06:54 Emacs 29 is just beginning
  30. On the design of text editors
    Nicolas P. Rougier
  31. Closing remarks day 1
  32. Opening remarks day 2
  33. Optimizing Emacs Lisp Code
    Dmitry Gutov
    1. 00:01 Introduction
    2. 02:36 Emacs Lisp is a little old
    3. 04:19 Benchmark then optimize, not vice versa
    4. 05:03 profiler-start
    5. 09:31 elp - Emacs Lisp Profiler
    6. 13:01 benchmark
    7. 19:13 Write less code
    8. 20:00 Reduce allocations
    9. 22:52 Recent optimizations in Xref
    10. 30:52 cl-lib, dash, and seq
  34. Tree-edit: Structural editing for Java, Python, C, and beyond!
    Ethan Leba
  35. Yak-shaving to a UI framework
    Erik Anderson
  36. Moldable Emacs, a step towards sustainable software
    Andrea
  37. Extending the "model" of Emacs to other applications
    Laszlo Krajnikovszkij
  38. Emacs Lisp native compiler, current status and future developments
    Andrea Corallo
  39. Old McCarthy Had a Form
    Ian Eure
  40. Turbo Bindat
    Stefan Monnier
    1. 00:01 Introduction
    2. 02:06 What is BinDat?
    3. 05:27 Conversion to lexical scoping
    4. 08:30 The BinDat specification
    5. 15:35 New design
    6. 17:47 Documentation
    7. 19:30 Advantages
    8. 21:51 New features
    9. 23:08 Examples
    10. 27:56 Conclusion
    11. 28:28 Negatives
  41. Test blocks
    Eduardo Ochs
  42. Perso-Arabic Input Methods And Making More Emacs Apps BIDI Aware
    Mohsen BANAN
  43. Emacs Application Framework: A 2021 Update
    Matthew Zeng
    1. 00:03 Introduction
    2. 00:38 EAF Overview
    3. 02:05 New logo
    4. 02:23 EAF Supports Windows, macOS, and many Linux distros
    5. 03:15 Multi-language scripting
    6. 03:56 VueJS extension
    7. 05:45 EAF core-app separation
    8. 07:09 Other notable updates Popweb
  44. Imaginary Programming
    Shane Mulligan
  45. CLEDE: the Common Lisp Emacs Development Environment
    Fermin MF
  46. How to help Emacs maintainers?
    Bastien Guerry
    1. 00:00 Introduction
    2. 00:47 What is a free software maintainer?
    3. 02:19 What do I do as the Org maintainer?
    4. 03:24 Do you see a pattern here?
    5. 04:18 What a free software maintainer is or should be
    6. 05:03 Summary
    7. 05:26 ACDC: Asynchronous Collective Distributed Care
    8. 06:28 How can you help Emacs maintainers?
    9. 06:37 Become a maintainer for your own project, however small
    10. 06:56 Volunteer as a contributor steward for another project
    11. 07:10 Learn how to teach
    12. 07:25 Test and enhance the project's contribution process
    13. 07:35 Take care of the project's calls for help
    14. 07:52 Encourage users from outside the project to contribute to the core forum
    15. 08:08 Let the core forum know about what happens in this outside world
    16. 08:16 Propose your help for non-code tasks
    17. 08:26 If you expect someone else to fix your bug, try fixing someone else's bug first
    18. 08:42 Don't expect the maintainer to be a hotline
    19. 08:49 Complete this list
    20. 08:57 Yes, this is hard
    21. 09:35 Thanks
  47. How to build an Emacs
    Fermin MF
  48. M-x Forever: Why Emacs will outlast text editor trends
    David Wilson (System Crafters)
    1. 00:01 Introduction and conclusion
    2. 00:28 Who am I?
    3. 01:07 Is Emacs unpopular?
    4. 02:26 What does popularity really mean?
    5. 04:15 How do we measure popularity?
    6. 04:32 Google Trends
    7. 06:18 Stack Overflow Survey
    8. 08:20 Community Activity
    9. 10:23 How do editors lose popularity?
    10. 10:38 A new editor with better features appears
    11. 12:25 Lack of sufficient maintenance
    12. 14:01 The "fashion" moves on
    13. 14:36 What happens when an editor loses popularity?
    14. 17:10 How will Emacs survive *despite* popularity?
    15. 17:20 Emacs is more deeply hackable than almost all other editors
    16. 19:51 Emacs has a strong community of highly skilled package authors
    17. 21:15 Emacs has a very strong user community
    18. 22:33 The Emacs maintainers and contributors care about the users
    19. 23:40 Isn't all this supposed to come when an editor is popular?
    20. 24:22 When someone talks about popularity...
    1. 00:11 Thanks
    2. 01:16 In your opinion, what is Emacs' Achilles heel?
    3. 03:59 What is your opinion about the documentation of Emacs in other languages?
    4. 05:56 Do you think more effort should be made to popularize hacking on the C parts of Emacs?
    5. 07:21 Can you name a few features from other programming languages that you miss in Emacs Lisp?
    6. 08:01 What are your opinions on Emacs's commitments to free software?
    7. 09:12 Do you think that packages like Magit or Org mode make people see Emacs as an obstacle to these applications that they want to use?
    8. 12:32 Another way people can help inspire others to use Emacs
    9. 13:47 Should Emacs continue to present itself as an esoteric program and culture, or should we try to dispel the myth?
    10. 15:39 Do you think there could be changes made to the core of Emacs that would betray the ethos you and most people here appreciate?
    11. 16:11 When will David Wilson and Protesilaos collaborate?
    12. 16:28 If you had to choose between graphics or real browser support within Emacs, which would you choose?
    13. 17:18 How do you feel being an Emacs-focused YouTuber?
    14. 19:19 More typesetting capabilities versus better performance
    15. 21:20 Sneak peek of what's coming in the YouTube channel soon?
    16. 25:33 Principles and compromises
    17. 25:57 Understanding the value of Emacs Lisp
    18. 27:00 Will you do a video showing your personal workflow?
    19. 27:34 What do you think about Guix or NixOS?
    20. 29:02 Can you talk about your actual work?
    21. 32:08 Do your colleagues use Emacs as well?
    22. 36:12 Any thoughts on the idea that the best tool to use is the one that is easiest to leave?
    23. 40:13 Do you think there should be an updated initial configuration for fresh Emacs installations with more modern UI features and cool shortcuts?
    24. 43:19 How hard is it to get into the native code side of Emacs?
    25. 44:40 Emacs Chats
    26. 47:18 Livestreams
    27. 54:24 Short-form videos
  49. Closing remarks day 2
    The video for "Closing remarks day 2" will be posted here when available. You can also subscribe to the emacsconf-discuss mailing list for updates.